Fdr 13 over Upper Ammonoosuc River
FairCoos County, New Hampshire · Map 02 · Structure no. 092202000001019
- Built
- 1947
- 78 years old, rebuilt 2006
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 88 ft
- 2 main spans
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 13 over Upper Ammonoosuc River is a concrete tee beam carrying Fdr 13 over Upper Ammonoosuc River in Coos County, New Hampshire. It was built in 1947 and reconstructed in 2006, so it is 78 years old, older than the New Hampshire average of 56.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, projected to reach 125 by 2045. The structure is 88 ft (26.8 m) long and 22 ft wide. If it were closed, the detour would be 98.2 mi (158 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fdr 13 over Upper Ammonoosuc River built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2006.
What condition is Fdr 13 over Upper Ammonoosuc River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Fdr 13 over Upper Ammonoosuc River carry?
About 50 vehicles per day (latest count).
How long is Fdr 13 over Upper Ammonoosuc River?
The structure is 88 ft (26.8 m) long with a longest span of 43 ft (13 m) and a deck 22 ft wide.
Who owns Fdr 13 over Upper Ammonoosuc River?
It is owned by the U.S. Forest Service.